OpenTechnical

OT-2026-000007535

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, pump fed, manifold pressure sensor, sustained blow-off before set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000007535) never changes.

Identity and time

Publication numberOT-2026-000007535 · never reused
Internal UUID01a0ae62-4df6-79bc-a83f-2d0c12bde54d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:01:13.261569Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007535
StatusPUBLIC

Content hashes

Canonical text5faf794da136d06dfcb27286a7c870e211f33e6ec4bd7583f4394caac538d442
Markdown08020262e30d89ba9b417f6792fb0df46f69c5330834594f414533f8cf42463f
PDF
Publication page7a1a088e2c81d6dac6f92edba96d952687843150e17e57f30afd9ba096dc991c
Manifestaa453630cf6859292b74ed1f8208fddd5b8a54cbda727ef1f5dfc43f4193cf23

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignaturegrcDm62ADDxaU068vtl1zB3+HeREaAaGEoziEjY4O6nFBXxCObe8TvkD4PkMGFaQzBzNzVYhiKDfwCSAub7NBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:07:02Z
batch OT-TS-2026-W38-016 · RFC 3161 token · inclusion proof
root 8d90bf9341d96baa4328c218b6f85281...

Independent retrieval

2026-09-17T08:10:22.639780ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007535
observed 7a1a088e2c81d6dac6f92edba96d9526...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:22.621219ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007535/manifest.json
observed aa453630cf6859292b74ed1f8208fddd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:22.606033ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007535/publication.md
observed 08020262e30d89ba9b417f6792fb0df4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:22.589706ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007535/publication.txt
observed 5faf794da136d06dfcb27286a7c870e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.